I really hope this helps!
The main dangers worldwide are population growth and resource consumption, climate change and global warming, habitat conversion and urbanisation, invasive alien species, over-exploitation of natural resources and environmental degradation.
Explanation:
Noble gases have a full outer energy level and are inactive. These atoms are considered inert.
Hope this helps
Good Luck
Electron, proton/ neutron (same size), elements and finally compounds, hope it serves you!
